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WO1990005680A1 - Recipient de fluide a decharge par pression - Google Patents

Recipient de fluide a decharge par pression Download PDF

Info

Publication number
WO1990005680A1
WO1990005680A1 PCT/US1989/005164 US8905164W WO9005680A1 WO 1990005680 A1 WO1990005680 A1 WO 1990005680A1 US 8905164 W US8905164 W US 8905164W WO 9005680 A1 WO9005680 A1 WO 9005680A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
container
edge
indent
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1989/005164
Other languages
English (en)
Inventor
Fred L. Billman
Mark D. Jamison
Russell B. Wortley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SC Johnson and Son Inc
Original Assignee
SC Johnson and Son Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SC Johnson and Son Inc filed Critical SC Johnson and Son Inc
Priority to KR1019900701584A priority Critical patent/KR970010225B1/ko
Priority to BR898907198A priority patent/BR8907198A/pt
Priority to JP2501251A priority patent/JPH0818622B2/ja
Priority to DE68916786T priority patent/DE68916786T2/de
Priority to EP90901176A priority patent/EP0397852B1/fr
Publication of WO1990005680A1 publication Critical patent/WO1990005680A1/fr
Priority to DK174290A priority patent/DK174290A/da
Priority to NO90903274A priority patent/NO903274L/no
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/04—Body construction made in one piece
    • B65D35/08—Body construction made in one piece from plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding

Definitions

  • the present invention is generally directed to a squeezable fluid container.
  • the present invention more particularly, is directed to. an improvement in that type of squeezable fluid container which has flexible, sealed upper- edge and side-edge margins, and wherein the flexible upper- edge margin defines a fluid-discharge passageway.
  • Glass bottles can crack, chip, break or explode — often at most inconvenient times.
  • Metal containers can, at times, be difficult to open. Many metal containers, moreover, once open, can have sharp edges or burrs.
  • Certain viscous fluids such as ketchup and certain salad dressings, furthermore, can often more readily be poured from flexible or plastic containers than from glass bottles or metal containers of comparable general shape.
  • many consumers are generally able to extract a greater percentage of fluid residue from a flexible or squeezable plastic container than would be possible were the fluid contained in certain inflexible containers of comparable volume.
  • flexible containers can be squeezed into relatively tight nooks or crannies which would not otherwise accommodate an inflexible fluid container of comparable general shape.
  • flexible plastic containers when empty, are generally more readily compactible than certain metal and most glass containers, relative ease of fluid container disposal can, at times, be an important consumer consideration in deciding which brand of a particular fluid product to purchase.
  • U.S. Reissue Pat. No. 24,251 to Kaplan et al. discloses a fluid-dispensing container, made from two sheets of flexible plastic material, for containing desired amounts of liquid.
  • a container is said to be particularly adapted for shipment in sealed condition, and is further said to be provided with a tearable strip along one end thereof to facilitate opening of the container.
  • a strip when so torn, can thus be utilized for purposes of dispensing the contained liquid from its container, as desired, upon application of a predetermined fluid-dispensing pressure to the sidewalls of the container. See also U.S. Pat. No. 4,717,046 to Brogli.
  • the present invention is generally directed to an improvement in certain types of flexible-plastic fluid containers. More particularly, the present invention is directed to an improvement in a squeezable container including flexible sidewalls defining a cavity for containing a dispensible fluid, a bottom, a pair of spaced-apart outwardly-extending deformable side-edge margins, and an outwardly-extending deformable upper-edge margin which is unitary with the side-edge margins and which defines a fluid passageway of generally serpentine configuration in communication with the fluid cavity, wherein deformation of the upper-edge margin in the vicinity of the generally serpentine fluid passageway tends to block fluid communication between the fluid passageway and the fluid cavity, characterized in that the container further includes deformation-causing means defined by at least one of the outwardly-extending side-edge margins and so spaced from the upper-edge margin by a predetermined distance as to be effective for causing deformation to occur in the one side- edge margin that is in the vicinity of the deformation- causing means, rather than in the
  • the deformation causing means comprises an indent, defined by at least one of the side-edge margins, for dividing the fluid cavity into two fluid chambers along the longitudinal axis.
  • the two chambers are in fluid communication with each other.
  • One of the two fluid chambers is located adjacent to, and is in fluid communication with, the fluid passageway in — o _ — the upper edge margin of the ' container.
  • the transverse cross-sectional area of the one fluid chamber, which is in fluid communication with the fluid passageway, is greater than the transverse cross-sectional area of the fluid cavity in the vicinity of the indent.
  • the indent is so located relative to the upper-edge margin such that fluid communication between the fluid passageway and the one fluid chamber adjacent thereto is maintained when application of a predetermined fluid- discharging squeezing pressure on the article sidewalls causes deformation of the article side-edge margin in the vicinity of the indent.
  • FIGURE 1 is a perspective view of one embodiment of the fluid container of the present invention.
  • FIGURE 2 is another perspective view of the fluid container shown in FIGURE 1, illustrating side-margin deformation which occurs in the vicinity of the indents when a predetermined fluid-discharging pressure is applied to the sidewalls of the fluid container.
  • FIGURE 3a is a partially-fragmented frontal view of another embodiment of the fluid container of the present invention.
  • FIGURE 3b is a partially-fragmented frontal view of yet another embodiment of the fluid container of the present invention.
  • FIGURES 4a through 4f are a series of drawings, briefly illustrating how that embodiment of the fluid container which is shown in FIGURES 1 and 2 is made.
  • FIGURE 5 is a frontal view of yet another embodiment of the fluid container of the present invention.
  • FIGURE 6 is a frontal view of still another embodiment of the fluid container of the present invention.
  • FIGURE 7 is a frontal view of yet another embodiment of the fluid container of the present invention. — o —
  • FIGURE 8 is a frontal view of still another embodiment of the fluid container of the present invention.
  • FIGURE 9 is a frontal view, in section, of yet another embodiment of the fluid container of the present invention.
  • FIGURE 10 is a frontal view of still another embodiment of the fluid container of the present invention.
  • FIGURE 11 is a partially-fragmented frontal view of yet another embodiment of the fluid container of the present invention.
  • FIGURE 12 is a frontal view of still another embodiment of the fluid container of the present invention.
  • FIGURE 13 is a drawing, briefly illustrating how that embodiment of the fluid container which is shown in FIGURE 12 is made.
  • FIGURE 14 is a side view, taken from the plane 14-14, of that embodiment of the fluid container which is shown in FIGURE 10.
  • Such container 20a which defines a longitudinal axis X-X, comprises an upstanding sealed base or bottom 24a, flexible sidewalls 26a, a pair of sealed spaced- apart deformable side-edge margins 28a and 29a, and a sealed deformable upper-edge margin 30a which is unitary with an upper-edge portion of each of the side-edge margins 28a and 29a.
  • the upper-edge margin 30a defines a fluid passageway 32a.
  • FIGURE 9 Another embodiment of the invention is the fluid container 20b shown in FIGURE 9.
  • This fluid container 20b is similar to container 20a but is modified in the form of an envelope having a bottom 24b which is sealed along a bottom seam 25.
  • the sidewalls of the fluid container 20b define a cavity 34 for containing a dispensable fluid F.
  • FIGURE 9 which is presented in section along longitudinal axis X-X.
  • Container 20b has a sealed deformable upper-edge margin 30b which is unitary with the deformable side-edge margins 28b and 29b.
  • the fluid passageway 32b formed in the upper-edge margin 30b communicates with the fluid cavity 34.
  • the side-edge margins 28b and 29b define indents 38a and 39a for dividing the cavity .34 into two fluid chambers 40 and 42 along the longitudinal axis X-X.
  • One of the fluid chambers 40 and 42 namely upper fluid chamber 40, is located adjacent to and is in fluid communication with the fluid passageway 32b.
  • the cross-sectional area of the one fluid chamber 40 (such cross-sectional area being transverse to the longitudinal axis X-X) is greater than the transverse cross-sectional area of the fluid cavity 34 in the vicinity of the indents 38a and 39a.
  • the indents 38a and 39a are so located relative to the upper-edge margin 30a such that fluid communication between the fluid passageway 32a and the one fluid chamber 40 adjacent thereto is maintained when application of a predetermined fluid-dispensing squeezing pressure upon the container sidewalls causes deformation of the container side- edge margins 28b and 29b in the vicinity of the indents 38a and 39a. (See FIGURE 2.)
  • FIGURES 3a and 3b show that the fluid container need only have one such indent.
  • the single indent 39a can be in distal relation to the fluid passageway 32a (FIGURE 3a) or the single indent 39a can be located adjacent to the fluid passageway 32a (FIGURE 3b) .
  • the indent or indents can take a variety of shapes, in accordance with the present invention.
  • the container side-edge margins 28a and 29a can define generally hemispherical-shaped indents 38' and 39' (FIGURE 5), square- shaped or rectangular-shaped indents 38b and 39b (FIGURE 6) , triangular-shaped indents 38e and 39e (FIGURE 7) , etc.
  • portions of the side-edge margins 28c and 29c defining the indents 38c and 39c can project inwardly as is shown in FIGURE 8.
  • the indents 38a' and 39a' can be spaced somewhat differently from the upper-edge margin 39a, relative to each other, in accordance with the principles of the present invention.
  • one embodiment of the fluid container 20a of the present invention has a base 24a which enables such embodiment of the fluid container to be free-standing, also referred to herein as "upstanding”. (See FIGURES 1 and 2.)
  • FIGURES 4a through 4f Industrial Applicability Reference is next invited to FIGURES 4a through 4f for purposes of briefly discussing how such a fluid container is made.
  • a transverse crease 46 is formed, and back-folds 48 so formed as to straddle the crease 46 and bring the opposite end portions of the elongated plastic material 44 into close proximity (FIGURE 4b) .
  • one pair of lower, side-edge margins 50 between the crease 46 and one back-fold 48 is sealed (FIGURE 4c) ; then the other pair of lower, side-edge margins 51 is similarly sealed (FIGURE 4d) , thereby closing the bottom.
  • the fluid container of the present invention need not have a free-standing base; but rather, can have a simple, closed bottom, as those embodiments presented in FIGURES 9 and 10 illustrate.
  • the flexible-plastic fluid container of the present invention can readily be constructed so as to be relatively thin (FIGURE 14) , so as to conveniently fit in a consumer's shirt pocket or lady's purse.
  • One such envelope-like flexible-plastic fluid container embodiment of the present invention comprises two flexible- plastic sheets 56 sealed together along their bottom margin 58, side margins 28d and 29d, and upper margin 30d. (Please refer to FIGURES 10 and 14.)
  • the side margins 28d and 29d define the indents 38d and 39d.
  • the upper margin 30d defines the fluid-discharge passageway 32d.
  • the plastic sheets 56 define a fluid-containing cavity.
  • One such cavity 34 is illustrated in the envelope-type of fluid container embodiment that is shown in FIGURE 11.
  • the general shape and diameter of the fluid-discharge passageway is a matter of design choice, as will be understood by those skilled in the art.
  • the diameter of the fluid-discharge passageway can be relatively small (FIGURE 9) , can be relatively large (FIGURE 11) or can be of intermediate diameter (FIGURE 10) .
  • That end portion of the fluid-discharge passageway which communicates with the upper fluid chamber of the fluid cavity can be arranged generally along the longitudinal axis X-X, as is shown in FIGURE 9, or can be generally spaced therefrom (see, e.g., FIGURES 10 and 11.)
  • the upper margin is formed in a manner such that the fluid-discharging end of the fluid passageway is initially sealed.
  • the fluid-discharging end 64a is so formed as to be rupturable when pressure in the fluid-discharge passageway 32a (FIGURE 2) reaches a predetermined value.
  • the fluid- discharging end 64a opens.
  • Such rupturable seals are well known in the art. See, e.g., U.S. Pat. No. 4,537,308 to Hollander, Jr.
  • the margin 30b not only defines the fluid-discharge passageway 32b but also defines a so-called "tear-away" tab 68.
  • an edge margin 30b further preferably defines a preformed score line 70, so formed in the upper-edge margin 30b as to enable the tab 68 to readily be removable from the remainder of the margin 30b (along the score line 70) while opening the fluid-discharging end 64b of the fluid-discharge passageway 32b.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bag Frames (AREA)
  • Tubes (AREA)
  • Packages (AREA)

Abstract

Le récipient de fluide flexible décrit (20a) comprend une paire d'arêtes de bords latéraux déformables scellées et espacées (28a, 29a) et une arête de bord supérieure déformable scellée (30a) qui est solidaire avec une partie de bord supérieure de chacune des arêtes de bords latéraux et qui définit un passage de décharge de fluide (32a) généralement en forme de serpentin et communiquant avec la cavité contenant le fluide. L'amélioration est constituée par une encoche (38a, 39a), défini par au moins l'une des arêtes de bords latéraux. L'encoche est disposée par rapport à l'arête de bord de sorte que la communication du fluide entre le passage de fluide et la cavité contenant le fluide est maintenue lorsque l'application d'une pression d'écrasement prédéterminée sur les parois latérales du récipient de fluide en vue de la décharge du fluide entraîne la déformation de l'arête de bord latéral du récipient à proximité de l'encoche.
PCT/US1989/005164 1988-11-23 1989-11-17 Recipient de fluide a decharge par pression Ceased WO1990005680A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1019900701584A KR970010225B1 (ko) 1988-11-23 1989-11-17 압착 가능한 유체용기
BR898907198A BR8907198A (pt) 1988-11-23 1989-11-17 Recipiente de apertar,para fluidos
JP2501251A JPH0818622B2 (ja) 1988-11-23 1989-11-17 しぼり出し式流体容器
DE68916786T DE68916786T2 (de) 1988-11-23 1989-11-17 Auspressbarer flüssigkeitsbehälter.
EP90901176A EP0397852B1 (fr) 1988-11-23 1989-11-17 Recipient de fluide a decharge par pression
DK174290A DK174290A (da) 1988-11-23 1990-07-20 Boejelig beholder til vaeske
NO90903274A NO903274L (no) 1988-11-23 1990-07-23 Sammenklembar beholder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27545788A 1988-11-23 1988-11-23
US275,457 1988-11-23

Publications (1)

Publication Number Publication Date
WO1990005680A1 true WO1990005680A1 (fr) 1990-05-31

Family

ID=23052366

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1989/005164 Ceased WO1990005680A1 (fr) 1988-11-23 1989-11-17 Recipient de fluide a decharge par pression

Country Status (18)

Country Link
EP (1) EP0397852B1 (fr)
JP (1) JPH0818622B2 (fr)
KR (1) KR970010225B1 (fr)
CN (1) CN1017231B (fr)
AR (1) AR245063A1 (fr)
AT (1) ATE108397T1 (fr)
AU (1) AU615362B2 (fr)
BR (1) BR8907198A (fr)
CA (1) CA2003024C (fr)
DE (1) DE68916786T2 (fr)
DK (1) DK174290A (fr)
ES (1) ES2058887T3 (fr)
HU (1) HUT58255A (fr)
NO (1) NO903274L (fr)
NZ (1) NZ231464A (fr)
PH (1) PH26249A (fr)
PT (1) PT92385B (fr)
WO (1) WO1990005680A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2371791A (en) * 2001-01-26 2002-08-07 Pige Sa A self-sealing sachet for packaging and dispensing liquid, gel or paste like products
WO2004028922A3 (fr) * 2002-09-30 2004-06-03 Mark D Jamison Soupape de decharge pour emballages de produits alimentaires
WO2008125822A1 (fr) 2007-04-11 2008-10-23 Amcor Flexibles Winterbourne Limited Conteneurs flexibles
WO2009110398A1 (fr) 2008-03-04 2009-09-11 Hosokawa Yoko Co., Ltd. Sac

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06127552A (ja) * 1992-10-16 1994-05-10 Saraya Kk 液体収納用袋
JPH06127551A (ja) * 1992-10-16 1994-05-10 Saraya Kk 液体収納用袋
JPH06127554A (ja) * 1992-10-16 1994-05-10 Saraya Kk 液体収納用袋
US6554023B2 (en) 2001-06-13 2003-04-29 Baxter International Inc. Vacuum demand flow valve
US6550493B2 (en) 2001-06-13 2003-04-22 Baxter International Inc. Vacuum demand valve
JP4934931B2 (ja) * 2001-08-31 2012-05-23 凸版印刷株式会社 易注出性包装容器
JP2003104389A (ja) * 2001-09-28 2003-04-09 Nihon Pharmaceutical Co Ltd 自立性包装体
US6863261B2 (en) 2002-03-12 2005-03-08 Baxter International Inc. Valve stop
JP5124202B2 (ja) * 2007-08-06 2013-01-23 押尾産業株式会社 包装袋
WO2016164692A1 (fr) * 2015-04-10 2016-10-13 The Procter & Gamble Company Contenants souples à bec verseur intégré
BR112021001494A2 (pt) 2018-07-27 2021-04-27 Illinois Tool Works Inc. bolsa de múltiplas câmaras e válvulas

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707581A (en) * 1954-12-07 1955-05-03 Kaplan Yale Dispensing containers for liquids
USRE24251E (en) * 1956-12-04 Dispensing containers for liquids
US3380646A (en) * 1962-11-14 1968-04-30 Leon Doyen Container of plastic material and method of producing same
US3412918A (en) * 1966-10-31 1968-11-26 Phillips Petroleum Co Dispensing container
US3418859A (en) * 1965-10-16 1968-12-31 Berrenberg Fa Franz Spindle press
US3635376A (en) * 1970-06-05 1972-01-18 Hellstrom Harold R Quick-open flexible package
US3964604A (en) * 1973-12-21 1976-06-22 Kurt Prenntzell Flexible compartmented package
US4491245A (en) * 1982-03-24 1985-01-01 Jamison Mark D Liquid dispensing container
US4718738A (en) * 1986-11-14 1988-01-12 Kapak Corp. Flexible bank for coins
US4759472A (en) * 1986-04-17 1988-07-26 Hays Macfarland & Associates Container having a pressure-rupturable seal for dispensing contents
US4818544A (en) * 1986-05-27 1989-04-04 Mars G. B. Limited Beverage packages

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24251E (en) * 1956-12-04 Dispensing containers for liquids
US2707581A (en) * 1954-12-07 1955-05-03 Kaplan Yale Dispensing containers for liquids
US3380646A (en) * 1962-11-14 1968-04-30 Leon Doyen Container of plastic material and method of producing same
US3418859A (en) * 1965-10-16 1968-12-31 Berrenberg Fa Franz Spindle press
US3412918A (en) * 1966-10-31 1968-11-26 Phillips Petroleum Co Dispensing container
US3635376A (en) * 1970-06-05 1972-01-18 Hellstrom Harold R Quick-open flexible package
US3964604A (en) * 1973-12-21 1976-06-22 Kurt Prenntzell Flexible compartmented package
US4491245A (en) * 1982-03-24 1985-01-01 Jamison Mark D Liquid dispensing container
US4759472A (en) * 1986-04-17 1988-07-26 Hays Macfarland & Associates Container having a pressure-rupturable seal for dispensing contents
US4818544A (en) * 1986-05-27 1989-04-04 Mars G. B. Limited Beverage packages
US4718738A (en) * 1986-11-14 1988-01-12 Kapak Corp. Flexible bank for coins

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2371791A (en) * 2001-01-26 2002-08-07 Pige Sa A self-sealing sachet for packaging and dispensing liquid, gel or paste like products
WO2004028922A3 (fr) * 2002-09-30 2004-06-03 Mark D Jamison Soupape de decharge pour emballages de produits alimentaires
WO2008125822A1 (fr) 2007-04-11 2008-10-23 Amcor Flexibles Winterbourne Limited Conteneurs flexibles
WO2009110398A1 (fr) 2008-03-04 2009-09-11 Hosokawa Yoko Co., Ltd. Sac

Also Published As

Publication number Publication date
NO903274D0 (no) 1990-07-23
HUT58255A (en) 1992-02-28
NZ231464A (en) 1991-02-26
CA2003024C (fr) 1994-05-17
AU4662189A (en) 1990-06-12
JPH03505322A (ja) 1991-11-21
AU615362B2 (en) 1991-09-26
DE68916786D1 (de) 1994-08-18
PT92385B (pt) 1995-09-12
NO903274L (no) 1990-09-20
PH26249A (en) 1992-04-01
DE68916786T2 (de) 1995-03-09
KR970010225B1 (ko) 1997-06-23
CN1017231B (zh) 1992-07-01
JPH0818622B2 (ja) 1996-02-28
KR900701613A (ko) 1990-12-03
AR245063A1 (es) 1993-12-30
DK174290A (da) 1990-09-03
EP0397852B1 (fr) 1994-07-13
CN1042878A (zh) 1990-06-13
DK174290D0 (da) 1990-07-20
EP0397852A4 (en) 1991-05-15
HU900515D0 (en) 1991-12-30
EP0397852A1 (fr) 1990-11-22
CA2003024A1 (fr) 1990-05-23
PT92385A (pt) 1990-05-31
ATE108397T1 (de) 1994-07-15
BR8907198A (pt) 1991-03-05
ES2058887T3 (es) 1994-11-01

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